Bones are a key part of your skeletal system. They’re lightweight structures that are incredibly strong. A normal adult has around 206 bones in their body. Your bones join together to make your ...

The parasympathetic nervous system (PSNS) is one of two major divisions of the larger autonomic system in your body. Its function is to keep the basic functions of your body working as they should.

Chromosomes are thread-like structures comprising DNA that are present inside the nucleus of every cell in the body. Specific segments of DNA are called genes. Every chromosome contains many genes, ...

The vagus nerve sprawls from the brain through the body, innervating our organs and managing life support and emotion. Sally Caulwell for Quanta Magazine The original version of this story appeared in ...

What Is the Body’s Core? Your body’s core is the term used for the group of muscles within your midsection that stabilize your spine and pelvis. Several muscles and groups of muscles make up the core ...

As anyone who experiences it knows, pregnancy vastly transforms the body – and now we have the most detailed picture yet of how it affects the blood, organs and immune system on a weekly basis. This ...

When the kidneys start to fail, their effects are felt on the internal system of the body. With the gradual decline in renal-homeostatic function, hormonal, structural changes ensue that compromise ...

The function of a deodorant is to mask body odor, while antiperspirants aim to block sweat production. They also have different ingredients, and different regulations apply to each. People often use ...